vm/interpreter/bytecode.hpp

73   int get_index_u1(Bytecodes::Code bc) const {
74     assert_same_format_as(bc); assert_index_size(1, bc);
77   int get_index_u2(Bytecodes::Code bc, bool is_wide = false) const {
78     assert_same_format_as(bc, is_wide); assert_index_size(2, bc, is_wide);
80     if (can_use_native_byte_order(bc, is_wide))
84   int get_index_u1_cpcache(Bytecodes::Code bc) const {
85     assert_same_format_as(bc); assert_index_size(1, bc);
88   int get_index_u2_cpcache(Bytecodes::Code bc) const {
89     assert_same_format_as(bc); assert_index_size(2, bc); assert_native_index(bc);
92   int get_index_u4(Bytecodes::Code bc) const {
93     assert_same_format_as(bc); assert_index_size(4, bc);
94     assert(can_use_native_byte_order(bc), "");
97   bool has_index_u4(Bytecodes::Code bc) const {
98     return bc == Bytecodes::_invokedynamic;
101   int get_offset_s2(Bytecodes::Code bc) const {
102     assert_same_format_as(bc); assert_offset_size(2, bc);
105   int get_offset_s4(Bytecodes::Code bc) const {
106     assert_same_format_as(bc); assert_offset_size(4, bc);
110   int get_constant_u1(int offset, Bytecodes::Code bc) const {
111     assert_same_format_as(bc); assert_constant_size(1, offset, bc);
114   int get_constant_u2(int offset, Bytecodes::Code bc, bool is_wide = false) const {
115     assert_same_format_as(bc, is_wide); assert_constant_size(2, offset, bc, is_wide);
121   static void assert_index_size(int required_size, Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN;
122   static void assert_offset_size(int required_size, Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN;
123   static void assert_constant_size(int required_size, int where, Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN;
124   static void assert_native_index(Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN;
125   static bool can_use_native_byte_order(Bytecodes::Code bc, bool is_wide = false) {
126     return (!Endian::is_Java_byte_ordering_different() || Bytecodes::native_byte_order(bc /*, is_wide*/));